Can hunger be eradicated by 2030?

World hunger is growing at an alarming rate, with prolonged conflicts, climate change, and COVID-19 exacerbating the problem. In 2022, the World Food Programme helped a record 158 million people. On this trajectory, the United ...

Photon upconversion: Steering light with supercritical coupling

National University of Singapore researchers and their collaborators have unveiled a novel concept termed "supercritical coupling" that enables a several-fold increase in photon upconversion efficiency. This discovery not ...

Science in times of crisis: Lessons from Fukushima and WWII

Collective memory is one way to ensure that past mistakes in the evolution of science systems are not repeated after a crisis, disaster or conflict according to a University of Tokyo historian who has contributed to the International ...

Image denoising using a diffractive material

While image denoising algorithms have undergone extensive research and advancements in the past decades, classical denoising techniques often necessitate numerous iterations for their inference, making them less suitable ...

page 2 from 19